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engine brake paccar engine

Discussion in 'Trucks [ Eighteen Wheelers ]' started by habfleet, Mar 31, 2013.

  1. Mar 31, 2013 #1
    habfleet

    habfleet Light Load Member

    163
    23
    Feb 5, 2012
    elwood nj
    0
    Can anyone advise me how a engine brake on a 2009 kenworth Paccar PX-8 engine.I have squeling/whistling type noise when the engine brake is activated.It sound as if it coming from the turbo. When the engine brake is deactivated the noise stops.I don't see any exhust brake I'm thinking the turbo may have something to do with the engine braking.THANKS IN ADVANCE
     
    habfleet, Mar 31, 2013
    habfleet, Mar 31, 2013
    #1
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  3. Mar 31, 2013 #2
    truckmechanic

    truckmechanic Medium Load Member

    534
    140
    Jan 14, 2012
    Hi Desert Ca
    0
    Probably a blown exhaust manifold or turbo mounting gasket
     
    truckmechanic, Mar 31, 2013
    truckmechanic, Mar 31, 2013
    #2
  4. Mar 31, 2013 #3
    manasteel

    manasteel Light Load Member

    124
    32
    Sep 10, 2012
    0
    the ecm has a setting for the vgt turbo to act as and exhaust brake. the squeal is probably the wheel hitting the housing.
     
    manasteel, Mar 31, 2013
    manasteel, Mar 31, 2013
    #3
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